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Title:
【発明の名称】振動を提供する装置
Document Type and Number:
Japanese Patent JPH05500022
Kind Code:
A
Abstract:
An apparatus for effecting a vibrating motion comprises a resonant planar armature, a housing, an electromagnetic device attached to the housing for effecting an alternating electromagnetic field, a magnetic device coupled to the armature and to the electromagnetic field for alternatively moving the armature in a first and a second direction in response to the electromagnetic field. The resonant planar armature comprises a plurality of planar spring members arranged regularly about a central planar region within a planar perimeter region of the armature, and the spring members provide a restoring force normal to a movement of the central region of the armature caused by the alternating electromagnetic field.

Inventors:
Mooney, Charles Wright
Holden, Irving Harold
Serinco, George Joseph
Application Number:
JP51187490A
Publication Date:
January 14, 1993
Filing Date:
August 03, 1990
Export Citation:
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Assignee:
MOTOROLA INCORPORATED
International Classes:
G08B1/08; G08B6/00; H04R1/46; B06B1/04; H04R11/06; H04W84/02; H04W88/02; H04R25/00; (IPC1-7): H04B7/26; G08B1/08; B06B1/04
Attorney, Agent or Firm:
Masanori Honjo (1 person outside)



 
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